#include<iostream>
#include <string>

int main()
{
	using namespace std;
	cout << "input data" << endl;
	long long int data;
	cin >> data;

	long long max = 2e60 -1;

	cout << "你输入的数据为：" << data << endl;
	cout << "max的数据为：" << max << endl;
	return 0;
}
